<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
     body {
      margin: 0;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(black, gray, silver, gray, black);
    }

    .macbook {
      font-size: 10px;
      width: 50em;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .screen {
      width: 40em;
      height: calc(40em * 0.667);
      box-sizing: border-box;
      border: black solid;
      border-width: 1.8em 1.3em 1.7em 1.3em;
      border-radius: 3% 3% 0 0 / 5%;
      box-shadow: 0 0 0 0.1em silver;
      background: radial-gradient(
        circle at right bottom,
        deepskyblue 33em,
        #fff1c1 33em
      ), black;
    }
    
    .base {
      width: inherit;
      height: 1.75em;
      border-radius: 0 0 10% 10% / 0 0 50% 50%;
      --top: linear-gradient(
        to right,
        hsla(0, 0%, 0%, 0.5) 0%,
        hsla(100, 100%, 100%, 0.8) 1%,
        hsla(0, 0%, 0%, 0.4) 4%,
        transparent 15%,
        hsla(100, 100%, 100%, 0.8) 50%,
        transparent 85%,
        hsla(0, 0%, 0%, 0.4) 96%,
        hsla(100, 100%, 100%, 0.8) 99%,
        hsla(0, 0%, 0%, 0.5) 100%
      ) no-repeat top / 100% 55%;
      --bottom: linear-gradient(
        white 55%,
        #999 60%,
        #222 90%,
        rgba(0, 0, 0, 0.1) 100%
      );
      background: var(--top), var(--bottom);
    }

    .base::before {
      content: "";
      position: absolute;
      width: 7em;
      height: 0.7em;
      border-radius: 0 0 7% 7% / 0 0 95% 95%;
      left: calc(50% - 7em / 2);
      box-shadow: 
        inset -0.5em -0.1em 0.3em rgba(0, 0, 0, 0.2),
        inset 0.5em 0.1em 0.3em rgba(0, 0, 0, 0.2);
      background-color: #ddd;
    }
  </style>
</head>
<body>
  <figure class="macbook">
    <div class="screen"></div>
    <div class="base"></div>
  </figure>
</body>
</html>